Graziela Barroso

April 11, 1912 – May 05, 2003

Brazil

Fabaceae

Collected Fabaceae and identified Asteraceae

Werner Dietrich

1938 – February 01, 2011

Asteraceae

Collected Asteraceae and identified Onagraceae

Alwyn Howard Gentry
Alwyn Howard Gentry

January 06, 1945 – August 03, 1993

United States

Bignoniaceae

Collected Bignoniaceae and identified Bignoniaceae

Billie Lee Turner

1925 – May 27, 2020

United States

Asteraceae

Collected Asteraceae and identified Asteraceae

John Julius Wurdack

April 28, 1921 – May 13, 1998

United States

Melastomataceae

Collected Melastomataceae and identified Melastomataceae